tree 20bb8548ab209ab54df6e19f19e16e834a0a63f0
parent c0214ba2e267f87437bc2629dc99512054fc7a4d
author Mathias Agopian <mathias@google.com> 1351626547 -0700
committer Mathias Agopian <mathias@google.com> 1351626547 -0700

fix another issue with generating FIR coefficients

the impulse response of a low-pass is 2*f*sinc(2*pi*f*k), we were
missing the 2*f scale factor. This explains why we were seeing
clipping and had to manually scale the filter down.

Change-Id: I86d0bb82ecdd99681c8ba5a8112a8257bf6f0186